package com.class05.a_interface;

public class Test01 {
    public static void main(String[] args) {
//        USB usb = new USB();
        Mouse usb = new Mouse();
        usb.open();
        usb.close();
        System.out.println("------------------");
        AAA aaa = new AAA();
        aaa.open();
        aaa.close();
    }
}
